Electrolysis Of Aqueos Solutions

Question 1

What is the problem with electrolysis in an aqueous solution ?

Answer 1

There will also being hydrogen ions and hydroxide ions

Question 2

What is the rule with which ever ion will be discharged ?( only for the cathode)

Answer 2

Which ever ion is the least reactive element will be discharged

Question 3

What is the rule for the ion being discharged at the cathode ?

Answer 3

If a halide is present ( group 7 element) than they will be the one to get discharged
If not then it’s alway the hydroxide